* Tested to IEC 60312-1 Cl. 5.1, 5.2. An average of hard floor and crevice test results. ¹ Lab tested to EN1822 - airborne particles as small as 0.1 microns. 2ASTM F1977-04 testing performed by an independent lab. 3Based on ASTM F1977-04 test standard. Testing performed by an independent lab , under prescribed test conditions. 4Fine Particulate matter (PM2.5) in the United Kingdom, Quality Air Expert Group. 5Pollutants: Particulate matter (PM), United Nations Environment Programme http://www.unep.org/tnt-unep/toolkit/pollutants/facts.html 6Tested against other Dyson cordless vacuum cleaners. 7 Based on internal calculation for Singapore home with average size (up to 105m². Released 2015 by Department of Statistics Singapore). Run time varies based on mode and cleaner head used. Assumes vacuum cleaner moves forwards and backwards at 0.5m/s, no part of the floor is covered in a double pass twice, no time is spent moving from one room to another, moving furniture or moving around furniture, only floor cleaning, 25 minute runtime in low mode. 8 Based on internal tests, actual performance may be different under specific conditions. 9 For details of guarantee, please refer to the warranty card. 10The Dyson digital motor V6. 11When compared to Dyson V6 vacuums. 12Test results for Dyson Pure Cool Link™ please visit here. 13 Hulin et al, Respiratory health and indoor air pollutants based on quantitative exposure assessments, European Respiratory Journal, Oct. 2012.